A 69-year-old man is brought to the physician by his wife for a follow-up appointment. Physical examination shows shuffling gait, a resting tremor of the left hand, and increased muscular rigidity. He has history of post-traumatic stress disorder managed with sertraline. Which of the following agents is most appropriate to avoid in this patient?
Amantadine
Bromocriptine
Carbidopa/levodopa
Selegiline
Tolcapone